According to
http://listentotaxman.comGross Pay £2,083.33
Tax free Allowances £539.58
Total taxable £1,543.75
Tax paid £308.75
National Insurance £176.78
Total Deductions £485.53
Net Wage £1,597.80
Employers NI £205.71
hth
i'm gonna sound like an idiot now

but just so i have this 100% bang on - after all deductions, she'd have 1,597 left over a month? thanks, by the way.